, Schedule 1 of Rich Asia Corporation Public Company Limited. Please be informed accordingly. Yours sincerely - SOMKIAT VONGSAROJANA - Mr. Somkiat Vongsarojana Managing Director Enclosure Information

Realty and Industry Public company Limited would like to explain the operating result for year ended of 2019 compare with the same period of the previous year as follows The operating result for year ended

operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World corporation public company limited ("the Company") and its

_ Page 1 of 5 OCEAN COMMERCE PUBLIC COMPANY LIMITED 99/290 Floor 1, Soi Sukhumvit 43, Sukhumvit Road, Khlong Tan Nuea Sub-district, Watthana District Bangkok Tel: 0-2258-5565 No. OCMSET-6211-001 Date

Chongussayakul) Chief Executive Officer and Acting Managing Director T Engineering Corporation Public Company Limited

1 Ref : JSP/17/08/02 15 August 2017 Subject : Report the operating result for the quarter 2 Ending June 30, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property Public

9 WATTANAPAT HOSPITAL TRANG PUBLIC COMPANY LIMITED No. WPH – SET 4/2018 22 February 2018 Subject : Management Discussion and Analysis for the year ended on December 31, 2017 To : Directors and

, …………………………………… Paitoon Gumchai Director and The Company’s Secretary Authorized sign on behalf of the Company

15 May 2019 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

of Electronics Industry Public Company Limited (the “Company”) No.8/2019 convened on 13 August 2019 has passed a resolution to certify the financial statements and the performance for the six-month